8371881 has 12 divisors (see below), whose sum is σ = 13820352. Its totient is φ = 4783896.

The previous prime is 8371861. The next prime is 8371897. The reversal of 8371881 is 1881738.

It is not a de Polignac number, because 8371881 - 2¹¹ = 8369833 is a prime.

It is a super-2 number, since 2×8371881² = 140176782956322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8371861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66381 + ... + 66506.

It is an arithmetic number, because the mean of its divisors is an integer number (1151696).

Almost surely, 2^8371881 is an apocalyptic number.

It is an amenable number.

8371881 is a deficient number, since it is larger than the sum of its proper divisors (5448471).

8371881 is a wasteful number, since it uses less digits than its factorization.

8371881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132900 (or 132897 counting only the distinct ones).

The product of its digits is 10752, while the sum is 36.

The square root of 8371881 is about 2893.4202943921. The cubic root of 8371881 is about 203.0521920045.

The spelling of 8371881 in words is "eight million, three hundred seventy-one thousand, eight hundred eighty-one".